Search/CVE-2026-59849
● CVE — Low

CVE-2026-59849

Vendorredhat, libsshProductenterprise linux, enterprise linux for ibm z systems, enterprise linux for ibm z systems eus, enterprise linux for power little endian, enterprise linux for power little endian eus, hardened images, libssh, enterprise linux for els, enterprise linux for eus, enterprise linux for ibm z systems els, enterprise linux for power little endian elsDiscoveredJul 21, 2026UpdatedSep 22, 2026

A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service.

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CVSS v3.1
3.1 LOW
EPSS
0.44%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 20, 2026 → Sep 25, 2026
▲ 0.19pp
0.24% → 0.44% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityLOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Connections
13 relationships
Timeline
disclosure → media coverage
Jul 21, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 22, 2026
Aug 31, 2026
ubuntu.com reports: USN-8699-1: libssh vulnerabilities